$\"\"$

\

The system of equations are $\"\"$ .

\

$\"\"$ ------------------> (1)

\

$\"\"$ ------------> (2)

\

$\"\"$ ------------->(3)

\

Use substitution to make a system of two equations in two variables.

\

Substitute $\"\"$ value in equation (2).

\

$\"\"$

\

Subtract 5 from each side.

\

$\"\"$

\

$\"\"$

\

Substitute $\"\"$ value in equation (3).

\

$\"\"$

\

Product of two different sings is negative.

\

$\"\"$

\

Add 2 to each side.

\

$\"\"$

\

$\"\"$ -----------------> (4) $\"\"$

\

Add equations (1) and (4).

\

$\"\"$

\

Divide each side by 3.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Substitute x = 2 value in equation (1).

\

$\"\"$

\

Subtract 2 from each side.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The values are $\"\"$ .